What should happen here ? ``` interface A { ...

# announcements

[glung]

What should happen here ?

interface A {
    val field : Int
}

class B : A {
    override var field = 1
}

fun main(args: Array<String>) {
    val a : A = B()
    val b = B()

    a.field = 2
    b.field = 2
    
    println("a = ${a.field}")
    println("b = ${b.field}")
}